MASTER-53M is wide range model (measurement range Brix 0.0 to 53.0%) of the MASTER-M. The MASTER-53M is the successor model of the conventional model, N-50E. Measurement range becomes wider from the N-50E. The MASTER-53M is a good alternative choice when the water resistant feature is not a priority and the Temperature Compensation will be carried out manually. Not equipped with the Automatic Temperature Compensation feature. * 以 10% 蔗糖溶液 ( RE-110010 ), 30% 蔗糖溶液 ( RE-110030 ) 或 50% 蔗糖溶液 ( RE-110050 ) 作为刻度设定。